Comparison of herbicides containing isoproturon,2.4-D and dicamba on phosphatase activity in the soil and in spring wheat [Triticun aestivum L.]

• Autorzy: Nowak J. , Telesinski A. , Szymczak J.
• Języki publikacji: EN

Abstrakty

EN

The pot experiment examined the effect of varied doses of herbicides, namely Izoturon 500 SC (500 g isoproturon), Aminopielik Super 464 SL (344 g 2,4-D and 120 g dicamba) and Rokituron D 470 SC (250 g isoproturon, 200 g 2,4-D and 20 g dicamba) on the activity of acid and alkaline phosphatases in the soil and in spring wheat plants. The pots were filled with black earth of the granulometric composition of light lessive clay containing 1.2 – 1.8% of humus. Water emulsions of the herbicides studied were introduced into the soil at the standard, 5-fold and 25-fold higher doses, after which spring wheat was sown. The measurements of soil and plant phosphatase activities were made at respective wheat development phases. The results obtained revealed that the herbicides used significantly stimulated the activity of acid phosphatase in the soil and, at the beginning of vegetation period – also in wheat plants, as well as alkaline phosphatase in the soil. The higher the doses of Izoturon 500 SC and Rokituron D 470 SC were used, the greater was the inhibition of alkaline phosphatase activity in wheat. The correlation coefficients indicated no relationships between the changes in the activity of soil and plant phosphatases following the application of the standard and 5-fold higher dose of Izoturon 500 SC and Rokituron D 470 SC. However there was observed a significant correlation between the phosphatases activity in the soil after the application of those herbicides as well as Aminopielik Super 464 SL at the dose 25-fold higher than the standard. The activity of alkaline phosphatase in the soil following Aminopielik Super 464 SL application at all the doses applied was positively correlated with the activity of the alkaline phosphatase in wheat.

Słowa kluczowe

EN

Triticum aestivum; spring wheat; granulometric composition; 2.4-D zob.2,4-dichlorophenoxyacetic acid; Isoproturon herbicide; 2,4-dichlorophenoxyacetic acid; light lessive clay; herbicide; acid phosphatase; alkaline phosphatase; phosphatase activity; soil; Dicamba herbicide; black earth

• Wydawca: -
• Czasopismo: Electronic Journal of Polish Agricultural Universities. Series Agronomy
• Rocznik: 2006
• Tom: 09
• Numer: 1
• Opis fizyczny: http://www.ejpau.media.pl/volume9/issue1/art-17.html

Twórcy

autor

Nowak J.

• Agriculture University of Szczecin, Slowackiego 17, 71-434 Szczecin, Poland

autor

Telesinski A.

autor

Szymczak J.

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